; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=aggressive-instcombine -S | FileCheck %s define i8 @leaf1_and_aa(i8 %a) { ; CHECK-LABEL: @leaf1_and_aa( ; CHECK-NEXT: [[AND_AA:%.*]] = and i8 [[A:%.*]], [[A]] ; CHECK-NEXT: ret i8 [[AND_AA]] ; %and.aa = and i8 %a, %a ret i8 %and.aa } define i8 @leaf1_and_a_false(i8 %a) { ; CHECK-LABEL: @leaf1_and_a_false( ; CHECK-NEXT: [[AND_AA:%.*]] = and i8 [[A:%.*]], 0 ; CHECK-NEXT: ret i8 [[AND_AA]] ; %and.aa = and i8 %a, 0 ret i8 %and.aa } define i8 @leaf1_xor_aa(i8 %a) { ; CHECK-LABEL: @leaf1_xor_aa( ; CHECK-NEXT: [[XOR_AA:%.*]] = xor i8 [[A:%.*]], [[A]] ; CHECK-NEXT: ret i8 [[XOR_AA]] ; %xor.aa = xor i8 %a, %a ret i8 %xor.aa } define i8 @leaf1_and_not(i8 %a) { ; CHECK-LABEL: @leaf1_and_not( ; CHECK-NEXT: [[NOT_A:%.*]] = xor i8 [[A:%.*]], -1 ; CHECK-NEXT: [[AND:%.*]] = and i8 [[A]], [[NOT_A]] ; CHECK-NEXT: ret i8 [[AND]] ; %not.a = xor i8 %a, -1 %and = and i8 %a, %not.a ret i8 %and } define i8 @leaf1_or_not(i8 %a) { ; CHECK-LABEL: @leaf1_or_not( ; CHECK-NEXT: [[NOT_A:%.*]] = xor i8 [[A:%.*]], -1 ; CHECK-NEXT: [[OR:%.*]] = or i8 [[A]], [[NOT_A]] ; CHECK-NEXT: ret i8 [[OR]] ; %not.a = xor i8 %a, -1 %or = or i8 %a, %not.a ret i8 %or } define i8 @leaf2_xor(i8 %a, i8 %b) { ; CHECK-LABEL: @leaf2_xor( ; CHECK-NEXT: [[AB:%.*]] = xor i8 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[XOR_AB_A:%.*]] = xor i8 [[AB]], [[A]] ; CHECK-NEXT: ret i8 [[XOR_AB_A]] ; %ab = xor i8 %a, %b %xor.ab.a = xor i8 %ab, %a ret i8 %xor.ab.a } define i8 @leaf2_xor_ret_const_false(i8 %a, i8 %b) { ; CHECK-LABEL: @leaf2_xor_ret_const_false( ; CHECK-NEXT: [[XOR_AB:%.*]] = xor i8 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[XOR_AB_A:%.*]] = xor i8 [[XOR_AB]], [[A]] ; CHECK-NEXT: [[XOR_AB_A_B:%.*]] = xor i8 [[XOR_AB_A]], [[B]] ; CHECK-NEXT: ret i8 [[XOR_AB_A_B]] ; %xor.ab = xor i8 %a, %b %xor.ab.a = xor i8 %xor.ab, %a %xor.ab.a.b = xor i8 %xor.ab.a, %b ret i8 %xor.ab.a.b } define i8 @leaf2_or_ret_leaf(i8 %a, i8 %b) { ; CHECK-LABEL: @leaf2_or_ret_leaf( ; CHECK-NEXT: [[OR_AB:%.*]] = or i8 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[AND_AB:%.*]] = and i8 [[A]], [[B]] ; CHECK-NEXT: [[XOR1:%.*]] = xor i8 [[OR_AB]], [[AND_AB]] ; CHECK-NEXT: [[XOR2:%.*]] = xor i8 [[XOR1]], [[A]] ; CHECK-NEXT: ret i8 [[XOR2]] ; %or.ab = or i8 %a, %b %and.ab = and i8 %a, %b %xor1 = xor i8 %or.ab, %and.ab %xor2 = xor i8 %xor1, %a ret i8 %xor2 } define i8 @leaf2_or_ret_const_false(i8 %a, i8 %b) { ; CHECK-LABEL: @leaf2_or_ret_const_false( ; CHECK-NEXT: [[OR_AB:%.*]] = or i8 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[AND_AB:%.*]] = and i8 [[A]], [[B]] ; CHECK-NEXT: [[XOR1:%.*]] = xor i8 [[OR_AB]], [[AND_AB]] ; CHECK-NEXT: [[XOR2:%.*]] = xor i8 [[XOR1]], [[A]] ; CHECK-NEXT: [[XOR3:%.*]] = xor i8 [[XOR1]], [[B]] ; CHECK-NEXT: ret i8 [[XOR3]] ; %or.ab = or i8 %a, %b %and.ab = and i8 %a, %b %xor1 = xor i8 %or.ab, %and.ab %xor2 = xor i8 %xor1, %a %xor3 = xor i8 %xor1, %b ret i8 %xor3 } define i1 @leaf2_type_is_i1(i1 %a, i1 %b) { ; CHECK-LABEL: @leaf2_type_is_i1( ; CHECK-NEXT: [[XOR_AB:%.*]] = xor i1 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[NOT_A:%.*]] = xor i1 [[A]], true ; CHECK-NEXT: [[XOR2:%.*]] = xor i1 [[NOT_A]], [[B]] ; CHECK-NEXT: [[OR:%.*]] = or i1 [[XOR2]], [[XOR_AB]] ; CHECK-NEXT: ret i1 [[OR]] ; %xor.ab = xor i1 %a, %b %not.a = xor i1 %a, true %xor2 = xor i1 %not.a, %b %or = or i1 %xor2, %xor.ab ret i1 %or } define i8 @leaf3_complex_ret_const_false(i8 %a, i8 %b, i8 %c) { ; CHECK-LABEL: @leaf3_complex_ret_const_false( ; CHECK-NEXT: [[AB:%.*]] = or i8 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[ABC:%.*]] = or i8 [[AB]], [[C:%.*]] ; CHECK-NEXT: [[NOT_ABC:%.*]] = xor i8 [[ABC]], -1 ; CHECK-NEXT: [[R:%.*]] = and i8 [[NOT_ABC]], [[A]] ; CHECK-NEXT: ret i8 [[R]] ; %ab = or i8 %a, %b %abc = or i8 %ab, %c %not.abc = xor i8 %abc, -1 %r = and i8 %not.abc, %a ret i8 %r } define i8 @leaf3_complex_ret_leaf(i8 %a, i8 %b, i8 %c) { ; CHECK-LABEL: @leaf3_complex_ret_leaf( ; CHECK-NEXT: [[AB:%.*]] = and i8 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[BC:%.*]] = and i8 [[B]], [[C:%.*]] ; CHECK-NEXT: [[XOR_AC:%.*]] = xor i8 [[A]], [[C]] ; CHECK-NEXT: [[OR:%.*]] = or i8 [[AB]], [[XOR_AC]] ; CHECK-NEXT: [[NOT_BC:%.*]] = xor i8 [[BC]], -1 ; CHECK-NEXT: [[AND:%.*]] = and i8 [[NOT_BC]], [[A]] ; CHECK-NEXT: [[COND:%.*]] = xor i8 [[AND]], [[OR]] ; CHECK-NEXT: ret i8 [[COND]] ; %ab = and i8 %a, %b %bc = and i8 %b, %c %xor.ac = xor i8 %a, %c %or = or i8 %ab, %xor.ac %not.bc = xor i8 %bc, -1 %and = and i8 %not.bc, %a %cond = xor i8 %and, %or ret i8 %cond } define i8 @leaf4_ret_const_true(i8 %a, i8 %b, i8 %c, i8 %d) { ; CHECK-LABEL: @leaf4_ret_const_true( ; CHECK-NEXT: [[BD:%.*]] = and i8 [[B:%.*]], [[D:%.*]] ; CHECK-NEXT: [[NOT_BD:%.*]] = xor i8 [[BD]], -1 ; CHECK-NEXT: [[XOR_AB:%.*]] = xor i8 [[A:%.*]], [[B]] ; CHECK-NEXT: [[OR1:%.*]] = or i8 [[XOR_AB]], [[C:%.*]] ; CHECK-NEXT: [[OR2:%.*]] = or i8 [[OR1]], [[NOT_BD]] ; CHECK-NEXT: [[OR3:%.*]] = or i8 [[OR2]], [[A]] ; CHECK-NEXT: ret i8 [[OR3]] ; %bd = and i8 %b, %d %not.bd = xor i8 %bd, -1 %xor.ab = xor i8 %a, %b %or1 = or i8 %xor.ab, %c %or2 = or i8 %or1, %not.bd %or3 = or i8 %or2, %a ret i8 %or3 } define i8 @leaf4_ret_leaf(i8 %a, i8 %b, i8 %c, i8 %d) { ; CHECK-LABEL: @leaf4_ret_leaf( ; CHECK-NEXT: [[BD:%.*]] = and i8 [[B:%.*]], [[D:%.*]] ; CHECK-NEXT: [[XOR:%.*]] = xor i8 [[BD]], [[C:%.*]] ; CHECK-NEXT: [[NOT_BD:%.*]] = xor i8 [[XOR]], -1 ; CHECK-NEXT: [[XOR_AB:%.*]] = xor i8 [[A:%.*]], [[B]] ; CHECK-NEXT: [[OR1:%.*]] = or i8 [[XOR_AB]], [[C]] ; CHECK-NEXT: [[OR2:%.*]] = or i8 [[OR1]], [[NOT_BD]] ; CHECK-NEXT: [[OR3:%.*]] = or i8 [[OR2]], [[A]] ; CHECK-NEXT: [[AND:%.*]] = and i8 [[OR3]], [[B]] ; CHECK-NEXT: ret i8 [[AND]] ; %bd = and i8 %b, %d %xor = xor i8 %bd, %c %not.bd = xor i8 %xor, -1 %xor.ab = xor i8 %a, %b %or1 = or i8 %xor.ab, %c %or2 = or i8 %or1, %not.bd %or3 = or i8 %or2, %a %and = and i8 %or3, %b ret i8 %and } define i8 @leaf4_ret_leaf2(i8 %a, i8 %b, i8 %c, i8 %d) { ; CHECK-LABEL: @leaf4_ret_leaf2( ; CHECK-NEXT: [[BD:%.*]] = and i8 [[B:%.*]], [[D:%.*]] ; CHECK-NEXT: [[XOR:%.*]] = xor i8 [[BD]], [[C:%.*]] ; CHECK-NEXT: [[NOT_BD:%.*]] = xor i8 [[XOR]], -1 ; CHECK-NEXT: [[XOR_AB:%.*]] = xor i8 [[A:%.*]], [[B]] ; CHECK-NEXT: [[OR1:%.*]] = or i8 [[XOR_AB]], [[C]] ; CHECK-NEXT: [[OR2:%.*]] = or i8 [[OR1]], [[NOT_BD]] ; CHECK-NEXT: [[OR3:%.*]] = or i8 [[OR2]], [[A]] ; CHECK-NEXT: [[AND:%.*]] = and i8 [[OR3]], [[B]] ; CHECK-NEXT: ret i8 [[AND]] ; %bd = and i8 %b, %d %xor = xor i8 %bd, %c %not.bd = xor i8 %xor, -1 %xor.ab = xor i8 %a, %b %or1 = or i8 %xor.ab, %c %or2 = or i8 %or1, %not.bd %or3 = or i8 %or2, %a %and = and i8 %or3, %b ret i8 %and }